1966 Triumph Tiger TR6

1966 Triumph Tiger TR6

standard60sUnited Kingdom

The 1966 1966 Triumph Tiger TR6 is a 649cc twin-cylinder standard motorcycle that became one of Triumph's most memorable motorcycles of the 1960s.

Specifications

Engine

Type
OHV twin
Displacement
649 cc
Cylinders
2
Power
40 hp @ 6500 rpm
Torque
48.0 Nm
Compression
Bore × Stroke
71.0 × 82.0 mm
Cooling
Air-cooled
Fuel System
Amal carburetor

Chassis & Transmission

Frame
Steel single cradle
Front Suspension
Telescopic fork
Rear Suspension
Twin shock
Front Brake
Drum
Rear Brake
Drum
Front Tyre
Rear Tyre
Transmission
4-speed
Final Drive
Chain

Performance

Top Speed
170 km/h (106 mph)
¼ Mile

Dimensions & Weight

Dry Weight
175 kg (386 lbs)
Wet Weight
188 kg (414 lbs)
Seat Height
790 mm
Wheelbase
1400 mm
Ground Clearance
Fuel Capacity
14.0 L

History & Story

When Triumph unveiled the 1966 Triumph Tiger TR6 in 1966, it signaled the company's commitment to the standard motorcycle segment. Built in United Kingdom, this standard motorcycle embodied the spirit of 1960s motorcycling.

At the heart of the 1966 Triumph Tiger TR6 sits a 649cc OHV twin engine producing 40 horsepower at 6500 rpm. The twin-cylinder powerplant features a twin-cylinder layout with air-cooled cooling, fed by Amal carburetor. Power reaches the rear wheel through a 4-speed transmission and chain final drive.

The chassis employs a steel single cradle frame with telescopic fork up front and twin shock at the rear. Stopping power comes from drum front and drum rear brakes. Tipping the scales at 175 kg (386 lbs) dry, the 1966 Triumph Tiger TR6 offers a manageable riding experience with a 1400 mm wheelbase.

Performance-wise, the 1966 Triumph Tiger TR6 achieves a claimed top speed of 170 km/h (106 mph). With a fuel capacity of 14.0 liters, it offers reasonable range for standard motorcycle duties. The seat height of 790 mm makes it comfortable for most riders.

Known Issues

  • Oil leaks from primary chaincase
  • Lucas electrics (nicknamed Prince of Darkness)
  • Sludge trap cleaning essential
  • Amal carburettor wear and jetting issues

Fun Facts

  • The 1966 Triumph Tiger TR6 was produced in Triumph's United Kingdom facilities
  • The 1966 Triumph Tiger TR6 featured a steel single cradle frame typical of 1960s design philosophy

Collector Information

Parts Availability
Moderate
Collector Rating
5/10

Resources & Parts